Extractor suspension



Nov. 21, 193 3. J. B. SANDO in AL EXTRACTOR SUSPENSION Filed Feb. 26 1932 VENTORS sflNDo JOHNS ON SEPH 544% @42 Patented Nov. 21, 1933 I e 1,936,461

UNITED STATES PATENT jorr ce EXTRACTOR SUSPENSION Joseph B. Sando, Norwood, Ohio, and Oscar W.

Johnson, Rochester, N. Y., assignors to The, American Laundry Machinery Company, Gincinnati, Ohio, a corporation of Ohio I Application February 26, 1932. Serial No. 595,334

2 Claims. (01. 210-71) This invention relates to centrifugal extractors by the upper end of the tension member is supfor use in the laundry and other industries, to ported by its bracket 4 and the lower end of the extract liquids from solids. Such an extractor tension member supports its lug 5 of the casing. 7 includes a fixed base, a rotatable basket, and a Obviously, the arrangement being similar for each 5 non-rotatable casing carrying the basket and of the three brackets 4. the casing is suspended 8o movably mounted upon the base. It is customary swingably but nonrotatably. in the art to suspend the casing from the base by The described cable form of tension elementhas three tension members arranged to act as links, advantage that it requires no lubrication and has allowing acertain tilting of the casing but prea slight resilience. But the cable is incapable oi 10 venting rotation thereof. substantially resisting compressive stresses there- 65 This invention relates particularly to such genalong. eral type of mounting. According to our invention we provide means The theoretical load upon the mounting is about the tension member for-resisting such commerely the weight of the casing and its contents, prehensive stressesthere'along as may be set up always acting downwardly; butit will be apparin the operation of the extractor. For this pur- 7o ent that in practice the basket will usually be pose, the part receiving each head 8 of the tenunevenly loaded, so that when rotating, its cension member is provided with a "recess annular ter of mass describes a path with wobbling eiiect thereabout to provide a seat for a heavy ring 12 upon the Thus, often, for every revoluof resilient material such as rubber. Between tion of the basket there is actually an upward ese rings 12 d about the cable P d 75 thrust or kick, which must be resisted periodicala tubular compression member 13. It is preferable ly in succession at the points of application of that this compression member be adjustable as to the mounting means. l'ength,and therefore it may be made of a plurali- The principal object of this invention is to proty of parts in threaded r a i n- As Shown it vide an improved form of mounting means capacomprises a ce t ub pa t M1 having a so ble of minimizing vibration due to such unbalance nut-15 threaded at its ends to fit head parts 16 of the basket. bearing against therings 12. The threads at The exact nature of the invention together the opp e n f h mpr ssi n m mber run with further objects and advantages thereof will in opp directions 5 a tu ning of the cenbe apparent from the following description taktral pa t 4 e a to the end Darts 16 Will en in connection with the accompanying drawcrease or decrease the spacing of the latter de- 85 ing, in which Fig. 1 is a perspective view of an p ndin upon dir t of t tu h d extractor provided with the improved suspension parts 16 are preferab y Split a indicated in means; Fig. 2 is a central vertical sectional view 3 and provided with bolts 17 that the adjusted I of one 'of the suspension brackets shown in Fig. a i m y be a t ined.

1; Fig. 3 is a sectional view taken on line 3-3, Inp actice ach u u o p e sio membe is Fig. 2; and Fig; 4 isa sectional view taken on lengthened-by adjustment until its ends seat snugline 4-4, Fig. 2. 1y against the two resilient rings 12, yet without As will be seen from Fig. 1 the extractor shown pp i ly in r n he r s p n its ten- 40 i of the usual construction a t principal parts sion member 9. Thereafter, when the extractor and their disposition. It has a casing 1 with, is in Operation t e si Will be r e to Sw n 95 hinged cover 2 giving access to the usual basket to accommodate itself to the unbalance and will rotatably mounted within the casing. The casbe opposed by the compression members 13 acting ing is supported upon a fixed base 3 having three between the yieldable resilient rings 12. By this brackets 4 extending upwardly alongside the casarrangement vibration set up by these upward 100 ing and spaced thereabout. forces are largely damped out and therefore not The brackets 4 have hollows to receive lugs 5 transmitted by the frame to its supporting surprovided, one for each bracket, on the casing. face as has been usual heretofore. Each bracket has a head 6 overhanging the cor- What we claim is:

responding lug 5 of the casing as indicated Fig.2. 1. Means for movably mounting an extractor Each pair of parts 5 and 6 have aligned opencasing 011 i a and eemplising a flexible cable ings 7 to receive the head parts v8 of a tension tension mem e eans fixedly Securing the PP member 9 in the form= of the multiple strand site ends of said tension member with said casing steel cable indicated. Each head 8 is provided and base respectively, a compression member arwith'a groove 10 to receive a split collar 11, whereranged adjacent id t n ion member, and means 1 Y associating the ends of said compression member with said casing and base respectively to permit swinging movement of said casing relative to said base accompanied by flexure of the tension member, but to oppose relative approaching motion of said casing and base lengthwise of said tension member.

2. Means for movably mounting an extractor casing on its base, and comprising a flexible cable tension member having heads at its ends, said casing and base having sockets to receive said heads, means securing said heads in said sockets, a compression member arranged adjacent said 

